Factor, Factor, Factor
Factor Completely.
2x2+4x
2x(x+2)
3x + 5x - 2
8x - 2
How many degrees are in a circle?
360o
Rewrite the following as a simplified fraction
4-2
1/16
Tell whether the following number it rational or irrational
piIrrational
Factor completely.
x2+6x+5
(x+1)(x+5)
4a2 + 2a - 3a2 + 5
a2 + 2a + 5
Decide whether the following equations would graph parallel lines. Explain.
y = 2x + 4
y = 2x - 5
Yes, they are parallel because they have the same slope (same coefficient in front of x)
Simplify
b7/b4
b3
Tell whether the following number it rational or irrational
sqrt(4)+sqrt(9)
Rational
2 + 3 = 5
Factor completely
2x2-18x+40
2(x-5)(x-4)
2(x+3)-3(2x-1)
-4x + 9
Solve for the missing hypotenuse of a triangle with leg lengths of 8 and 15.
17
Simplify
(m3)5 (n7)2
m15n14
Tell whether the following number it rational or irrational
3 + (-sqrt(36))
Rational because
3 + -6 = -3
Factor completely.
x2 - 9
(x - 3)(x + 3)
(2x2+3x−4)+2(x2−x+5)−3x
4x2−2x+6
Do the side lengths form an acute, obtuse, or right triangle?
7, 8, 9
They create an acute triangle
Evaluate if x = 2 and y = -3
x3 + 3x2 - x + y2
27
Tell whether the following number it rational or irrational
Sqrt(8) + sqrt(81)
Irrational because the sqrt(8) is irrational
3x2 + 9x − 12
3(x + 4)(x − 1)
(x2 + 3x + 6y) + (3x2 - y - 2x) - (5x2 + 4x - y)
-x2 - 3x + 6y
Name the center and radius of a circle with equation:
(x - 2)2 + (y + 5)2 = 64
Center: (2, -5)
Radius: 8
Simplify
x2y4 / x3y2
Tell whether the following number it rational or irrational
sqrt(3) + sqrt(2)
Irrational, because both pieces are irrational